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carbon-lang/toolchain/check/testdata/interface/fail_duplicate.carbon
T
Geoff Romer 09710d102f Separate binding insts for refs and values (#6235) 
This resolves a TODO in `expr_info.cpp` by using the inst kind rather
than the bound value to track the binding's category.

Since we're churning all the `bind_name` insts in testdata anyway, I'm
also taking this opportunity to align the inst naming with the design's
terminology, by calling these insts "bindings" (this aspect of the PR is
dependent on #6231 resolving an ambiguity in that terminology). For
consistency we'll need to rename several other insts as well (see the
TODO on `RefBinding`); I'm deferring that to a separate PR to minimize
the review load, but I think those name changes are in-scope for this
review.
2025-10-23 01:46:24 +00:00

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// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/none.carbon
// TODO: Add ranges and switch to "--dump-sem-ir-ranges=only".
// EXTRA-ARGS: --dump-sem-ir-ranges=if-present
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/interface/fail_duplicate.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interface/fail_duplicate.carbon
// --- fail_redefine_without_dependents.carbon
library "[[@TEST_NAME]]";
interface Interface { }
// CHECK:STDERR: fail_redefine_without_dependents.carbon:[[@LINE+7]]:1: error: redefinition of `interface Interface` [RedeclRedef]
// CHECK:STDERR: interface Interface {
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR: fail_redefine_without_dependents.carbon:[[@LINE-5]]:1: note: previously defined here [RedeclPrevDef]
// CHECK:STDERR: interface Interface { }
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
interface Interface {
fn F();
}
// --- fail_redefine_with_dependents.carbon
library "[[@TEST_NAME]]";
interface Interface {}
// CHECK:STDERR: fail_redefine_with_dependents.carbon:[[@LINE+7]]:1: error: redefinition of `interface Interface` [RedeclRedef]
// CHECK:STDERR: interface Interface {
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR: fail_redefine_with_dependents.carbon:[[@LINE-5]]:1: note: previously defined here [RedeclPrevDef]
// CHECK:STDERR: interface Interface {}
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
interface Interface {
fn F[self: Self]();
}
// --- fail_name_conflict_with_fn.carbon
library "[[@TEST_NAME]]";
fn Function();
// CHECK:STDERR: fail_name_conflict_with_fn.carbon:[[@LINE+7]]:11: error: duplicate name `Function` being declared in the same scope [NameDeclDuplicate]
// CHECK:STDERR: interface Function;
// CHECK:STDERR: ^~~~~~~~
// CHECK:STDERR: fail_name_conflict_with_fn.carbon:[[@LINE-5]]:1: note: name is previously declared here [NameDeclPrevious]
// CHECK:STDERR: fn Function();
// CHECK:STDERR: ^~~~~~~~~~~~~~
// CHECK:STDERR:
interface Function;
// --- fail_name_conflict_with_class.carbon
class Class;
// CHECK:STDERR: fail_name_conflict_with_class.carbon:[[@LINE+7]]:11: error: duplicate name `Class` being declared in the same scope [NameDeclDuplicate]
// CHECK:STDERR: interface Class { }
// CHECK:STDERR: ^~~~~
// CHECK:STDERR: fail_name_conflict_with_class.carbon:[[@LINE-5]]:1: note: name is previously declared here [NameDeclPrevious]
// CHECK:STDERR: class Class;
// CHECK:STDERR: ^~~~~~~~~~~~
// CHECK:STDERR:
interface Class { }
// CHECK:STDOUT: --- fail_redefine_without_dependents.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Interface.type.ba0a47.1: type = facet_type <@Interface.loc4> [concrete]
// CHECK:STDOUT: %Self.46e08f.1: %Interface.type.ba0a47.1 = bind_symbolic_name Self, 0 [symbolic]
// CHECK:STDOUT: %Interface.type.ba0a47.2: type = facet_type <@Interface.loc13> [concrete]
// CHECK:STDOUT: %Self.46e08f.2: %Interface.type.ba0a47.2 = bind_symbolic_name Self, 0 [symbolic]
// CHECK:STDOUT: %Interface.F.type: type = fn_type @Interface.F [concrete]
// CHECK:STDOUT: %Interface.F: %Interface.F.type = struct_value () [concrete]
// CHECK:STDOUT: %Interface.assoc_type: type = assoc_entity_type @Interface.loc13 [concrete]
// CHECK:STDOUT: %assoc0: %Interface.assoc_type = assoc_entity element0, @Interface.loc13.%Interface.F.decl [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Interface = %Interface.decl.loc4
// CHECK:STDOUT: }
// CHECK:STDOUT: %Interface.decl.loc4: type = interface_decl @Interface.loc4 [concrete = constants.%Interface.type.ba0a47.1] {} {}
// CHECK:STDOUT: %Interface.decl.loc13: type = interface_decl @Interface.loc13 [concrete = constants.%Interface.type.ba0a47.2] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @Interface.loc4 {
// CHECK:STDOUT: %Self: %Interface.type.ba0a47.1 = bind_symbolic_name Self, 0 [symbolic = constants.%Self.46e08f.1]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = %Self
// CHECK:STDOUT: witness = ()
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @Interface.loc13 {
// CHECK:STDOUT: %Self: %Interface.type.ba0a47.2 = bind_symbolic_name Self, 0 [symbolic = constants.%Self.46e08f.2]
// CHECK:STDOUT: %Interface.F.decl: %Interface.F.type = fn_decl @Interface.F [concrete = constants.%Interface.F] {} {}
// CHECK:STDOUT: %assoc0: %Interface.assoc_type = assoc_entity element0, %Interface.F.decl [concrete = constants.%assoc0]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = %Self
// CHECK:STDOUT: .F = %assoc0
// CHECK:STDOUT: witness = (%Interface.F.decl)
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @Interface.F(@Interface.loc13.%Self: %Interface.type.ba0a47.2) {
// CHECK:STDOUT: fn();
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Interface.F(constants.%Self.46e08f.2) {}
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_redefine_with_dependents.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Interface.type.ba0a47.1: type = facet_type <@Interface.loc4> [concrete]
// CHECK:STDOUT: %Self.46e08f.1: %Interface.type.ba0a47.1 = bind_symbolic_name Self, 0 [symbolic]
// CHECK:STDOUT: %Interface.type.ba0a47.2: type = facet_type <@Interface.loc13> [concrete]
// CHECK:STDOUT: %Self.46e08f.2: %Interface.type.ba0a47.2 = bind_symbolic_name Self, 0 [symbolic]
// CHECK:STDOUT: %Self.binding.as_type: type = symbolic_binding_type Self, 0, %Self.46e08f.2 [symbolic]
// CHECK:STDOUT: %pattern_type: type = pattern_type %Self.binding.as_type [symbolic]
// CHECK:STDOUT: %Interface.F.type: type = fn_type @Interface.F [concrete]
// CHECK:STDOUT: %Interface.F: %Interface.F.type = struct_value () [concrete]
// CHECK:STDOUT: %Interface.assoc_type: type = assoc_entity_type @Interface.loc13 [concrete]
// CHECK:STDOUT: %assoc0: %Interface.assoc_type = assoc_entity element0, @Interface.loc13.%Interface.F.decl [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Interface = %Interface.decl.loc4
// CHECK:STDOUT: }
// CHECK:STDOUT: %Interface.decl.loc4: type = interface_decl @Interface.loc4 [concrete = constants.%Interface.type.ba0a47.1] {} {}
// CHECK:STDOUT: %Interface.decl.loc13: type = interface_decl @Interface.loc13 [concrete = constants.%Interface.type.ba0a47.2] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @Interface.loc4 {
// CHECK:STDOUT: %Self: %Interface.type.ba0a47.1 = bind_symbolic_name Self, 0 [symbolic = constants.%Self.46e08f.1]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = %Self
// CHECK:STDOUT: witness = ()
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @Interface.loc13 {
// CHECK:STDOUT: %Self: %Interface.type.ba0a47.2 = bind_symbolic_name Self, 0 [symbolic = constants.%Self.46e08f.2]
// CHECK:STDOUT: %Interface.F.decl: %Interface.F.type = fn_decl @Interface.F [concrete = constants.%Interface.F] {
// CHECK:STDOUT: %self.patt: @Interface.F.%pattern_type (%pattern_type) = value_binding_pattern self [concrete]
// CHECK:STDOUT: %self.param_patt: @Interface.F.%pattern_type (%pattern_type) = value_param_pattern %self.patt, call_param0 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %self.param: @Interface.F.%Self.binding.as_type (%Self.binding.as_type) = value_param call_param0
// CHECK:STDOUT: %.loc14_14.1: type = splice_block %.loc14_14.2 [symbolic = %Self.binding.as_type (constants.%Self.binding.as_type)] {
// CHECK:STDOUT: %Self.ref: %Interface.type.ba0a47.2 = name_ref Self, @Interface.loc13.%Self [symbolic = %Self (constants.%Self.46e08f.2)]
// CHECK:STDOUT: %Self.as_type: type = facet_access_type %Self.ref [symbolic = %Self.binding.as_type (constants.%Self.binding.as_type)]
// CHECK:STDOUT: %.loc14_14.2: type = converted %Self.ref, %Self.as_type [symbolic = %Self.binding.as_type (constants.%Self.binding.as_type)]
// CHECK:STDOUT: }
// CHECK:STDOUT: %self: @Interface.F.%Self.binding.as_type (%Self.binding.as_type) = value_binding self, %self.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %assoc0: %Interface.assoc_type = assoc_entity element0, %Interface.F.decl [concrete = constants.%assoc0]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = %Self
// CHECK:STDOUT: .F = %assoc0
// CHECK:STDOUT: witness = (%Interface.F.decl)
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @Interface.F(@Interface.loc13.%Self: %Interface.type.ba0a47.2) {
// CHECK:STDOUT: %Self: %Interface.type.ba0a47.2 = bind_symbolic_name Self, 0 [symbolic = %Self (constants.%Self.46e08f.2)]
// CHECK:STDOUT: %Self.binding.as_type: type = symbolic_binding_type Self, 0, %Self [symbolic = %Self.binding.as_type (constants.%Self.binding.as_type)]
// CHECK:STDOUT: %pattern_type: type = pattern_type %Self.binding.as_type [symbolic = %pattern_type (constants.%pattern_type)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn(%self.param: @Interface.F.%Self.binding.as_type (%Self.binding.as_type));
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Interface.F(constants.%Self.46e08f.2) {
// CHECK:STDOUT: %Self => constants.%Self.46e08f.2
// CHECK:STDOUT: %Self.binding.as_type => constants.%Self.binding.as_type
// CHECK:STDOUT: %pattern_type => constants.%pattern_type
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_name_conflict_with_fn.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Function.type.b14: type = fn_type @Function.loc4 [concrete]
// CHECK:STDOUT: %Function: %Function.type.b14 = struct_value () [concrete]
// CHECK:STDOUT: %Function.type.b2d: type = facet_type <@Function.loc13> [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Function = %Function.decl.loc4
// CHECK:STDOUT: }
// CHECK:STDOUT: %Function.decl.loc4: %Function.type.b14 = fn_decl @Function.loc4 [concrete = constants.%Function] {} {}
// CHECK:STDOUT: %Function.decl.loc13: type = interface_decl @Function.loc13 [concrete = constants.%Function.type.b2d] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @Function.loc13;
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Function.loc4();
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_name_conflict_with_class.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Class: type = class_type @Class.loc2 [concrete]
// CHECK:STDOUT: %Class.type: type = facet_type <@Class.loc11> [concrete]
// CHECK:STDOUT: %Self: %Class.type = bind_symbolic_name Self, 0 [symbolic]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Class = %Class.decl.loc2
// CHECK:STDOUT: }
// CHECK:STDOUT: %Class.decl.loc2: type = class_decl @Class.loc2 [concrete = constants.%Class] {} {}
// CHECK:STDOUT: %Class.decl.loc11: type = interface_decl @Class.loc11 [concrete = constants.%Class.type] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @Class.loc11 {
// CHECK:STDOUT: %Self: %Class.type = bind_symbolic_name Self, 0 [symbolic = constants.%Self]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = %Self
// CHECK:STDOUT: witness = ()
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Class.loc2;
// CHECK:STDOUT:
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